1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package com.android.tools.metalava.model.text
18
19 import org.junit.Assert.assertEquals
20
21 /** Verify that two signature files match. */
assertSignatureFilesMatchnull22 fun assertSignatureFilesMatch(
23 expected: String,
24 actual: String,
25 expectedFormat: FileFormat = FileFormat.LATEST,
26 message: String? = null
27 ) {
28 val expectedPrepared = prepareSignatureFileForTest(expected, expectedFormat)
29 val actualStripped = actual.stripBlankLines()
30 assertEquals(message, expectedPrepared, actualStripped)
31 }
32
<lambda>null33 fun String.stripBlankLines() = lines().filter { it.isNotBlank() }.joinToString("\n")
34
35 /** Strip comments, trim indent, and add a signature format version header if one is missing */
prepareSignatureFileForTestnull36 fun prepareSignatureFileForTest(expectedApi: String, format: FileFormat): String {
37 val header = format.header()
38
39 return expectedApi
40 .trimIndent()
41 .let { if (!it.startsWith(FileFormat.SIGNATURE_FORMAT_PREFIX)) header + it else it }
42 .trim()
43 }
44